Harley is having a blast crashing a Kaleidoscope Collectors Convention, so of course Batgirl and Supergirl show up to ruin her fun!The three tussle over a particularly unique and fancy kaleidoscope.The barrel twists, a multi-coloured light flashes, and suddenly they find themselves in the Middle Ages.The kaleidoscope is a time travel device! Can the trio make it back to when and where they’re supposed to be, without tangling the time line?Find out in this action-packed, illustrated chapter book that’s perfect for young DC Super Hero fans!